 $(function() {
        var Accordion = function(el, multiple) {
		this.el = el || {};
        this.multiple = multiple || false;
    
        var links = this.el.find('.link');

        links.on('click', {el: this.el, multiple: this.multiple}, this.dropdown)
        }
        
        Accordion.prototype.dropdown = function(e) {
        var $el = e.data.el;
        $this = $(this),
        $next = $this.next();
        
        $next.slideToggle();
        $this.parent().toggleClass('open');
        
        if (!e.data.multiple) {
        $el.find('.submenu').not($next).slideUp().parent().removeClass('open');
        };
        }
        var accordion = new Accordion($('#accordion'), false);
    });